export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null;
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}';
  let date;
  if (typeof time === 'object') {
    date = time;
  } else {
    if (`${time}`.length === 10) time = parseInt(time) * 1000;
    date = new Date(time);
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay(),
  };
  const timeStr = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key];
    if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1];
    if (result.length > 0 && value < 10) {
      value = `0${value}`;
    }
    return value || 0;
  });
  return timeStr;
}

export function formatTime(time, option) {
  time = +time * 1000;
  const d = new Date(time);
  const now = Date.now();

  const diff = (now - d) / 1000;

  if (diff < 30) {
    return '刚刚';
  }
  if (diff < 3600) {
    // less 1 hour
    return `${Math.ceil(diff / 60)}分钟前`;
  }
  if (diff < 3600 * 24) {
    return `${Math.ceil(diff / 3600)}小时前`;
  }
  if (diff < 3600 * 24 * 2) {
    return '1天前';
  }
  if (option) {
    return parseTime(time, option);
  }
  return `${d.getMonth() + 1}月${d.getDate()}日${d.getHours()}时${d.getMinutes()}分`;
}

export function convertMapToParams(m) {
  const p = new URLSearchParams();
  if (!m) return p;

  Object.keys(m).forEach(key => {
    p.append(key, m[key]);
  });
  return p;
}
